5 citations
,
August 2018 in “Sexual Medicine Reviews” 5α-Reductase inhibitors do not consistently increase testosterone levels in the blood.
78 citations
,
August 2012 in “Human molecular genetics online/Human molecular genetics” A new gene, JMJD1C, may affect testosterone levels in men.
1 citations
,
October 2020 in “Journal of Cosmetic Dermatology” Possible link between hair loss and metabolic syndrome, with RANTES as a potential clue.
2 citations
,
December 2024 in “Gene Reports” Higher IL-37 levels are linked to more severe alopecia areata, but the gene variation doesn't affect disease risk.
January 2026 in “Zenodo (CERN European Organization for Nuclear Research)” Vitamin A levels don't significantly affect alopecia areata.
Biotin supplements don't consistently help hair growth in alopecia unless there's a deficiency.
April 1980 in “Archives of Dermatology” Zinc deficiency didn't cause visible hair changes in the patient.
30 citations
,
August 1992 in “The Journal of Clinical Endocrinology and Metabolism” Finasteride doesn't affect hormone levels in normal men.
14 citations
,
January 1990 in “Fertility and Sterility” Some patients with high prolactin levels don't show symptoms because they have a form of the hormone that's less active.
52 citations
,
December 1984 in “Journal of the American Geriatrics Society” Mineral levels in hair and serum don't help diagnose Alzheimer's.
6 citations
,
September 2010 in “Animal” Selecting Angus cattle for earlier puberty lowers prolactin levels but doesn't affect hair growth.
3 citations
,
May 1990 in “Journal of Steroid Biochemistry” Some women with excess hair growth have a hormone condition that can't be diagnosed by blood or urine tests alone.
22 citations
,
January 2019 in “Climacteric” Oophorectomy lowers testosterone and estrogen levels in both premenopausal and postmenopausal women, with postmenopausal women still producing significant testosterone.
Atopy and altered T cell functions contribute to Alopecia Areata.
October 2004 in “DOAJ (DOAJ: Directory of Open Access Journals)” Men with hair loss don't necessarily have higher levels of the hormone DHEA-S, but this hormone tends to decrease with age.
39 citations
,
August 2004 in “International journal of gynaecology and obstetrics” Finasteride and CPA-EE2 equally reduce hirsutism, but affect hormone levels differently.
56 citations
,
October 2018 in “Journal of The American Academy of Dermatology” Androgens play a complex role in skin conditions like acne and hair loss in women, and normal blood levels don't always show true androgen status.
1 citations
,
June 2021 in “International Journal of Dermatology” People with alopecia areata had lower vitamin D levels, but these levels didn't relate to many aspects of the condition.
1 citations
,
April 2018 in “Journal of Investigative Dermatology” Simvastatin helps hair regrowth in autoimmune alopecia by directly affecting T cells.
118 citations
,
September 2004 in “Clinics in Dermatology” Hormones, especially androgens, play a big role in acne, but most acne sufferers don't have a hormone disorder. Hormonal treatments, including birth control pills, can be very effective for women whose acne doesn't improve with regular treatments.
September 2010 in “European Urology Supplements” PSA testing is a reliable method for detecting prostate cancer, and opioids may lower PSA levels, but triglycerides don't affect prostate cancer risk.
April 2012 in “Journal of IMAB” Men with male pattern baldness don't necessarily have high levels of Dehydroepyandrosterone-sulfate, and there's no link between its levels and the severity of hair loss.
1 citations
,
March 2012 in “Journal of Dermatological Science” Testosterone, progesterone, and levonorgestrel change enzyme levels related to fat production in hamster skin, which could affect skin oil and acne.
29 citations
,
December 2017 in “International Journal of Dermatology” People with alopecia areata often have lower vitamin D levels, which are linked to more severe and longer-lasting hair loss, but vitamin D receptor levels in the skin don't show the same pattern and don't predict treatment success.
August 2020 in “Nigerian journal of paediatrics” A 24-month-old Nigerian girl developed early puberty with no family history, needing treatment her family couldn't afford.
14 citations
,
December 2013 in “Experimental Dermatology” The T-zone on the face has more androgen receptors and produces more oil than the U-zone.
41 citations
,
June 1999 in “The Prostate” Finasteride reduces PSA levels, terazosin doesn't affect them, and tracking prostate cancer in patients taking finasteride could be difficult.
5 citations
,
March 2022 in “Frontiers in Endocrinology” A model using hormone levels, cycle length, and BMI can help identify PCOS in Chinese women but isn't for screening teens.
3 citations
,
June 1999 in “The Prostate” Finasteride reduces PSA levels, terazosin doesn't affect them, and tracking prostate cancer in patients taking finasteride could be difficult.
December 2025 in “IP Indian Journal of Clinical and Experimental Dermatology” Androgenetic alopecia in males is linked to significant psychological distress, highlighting the need for both mental and dermatological care.